Acanthocalycium glaucum *Smallest Blue Cactus* Cactus The Arizona Fire Barrel cactus

The Arizona Fire Barrel cactus

often covered in old scales

This specimen is an otherwise normal plant that is starting to produce a crested stem

It is very common for the spines to be white when young

Pseudolithos are infamously touchy plants and you should only get one if you are an experienced succulent grower

Acanthocalycium glaucum *Smallest Blue Cactus* Cactus The Arizona Fire Barrel cactusAcanthocalycium glaucum An unusual small bluish species with yellow flowers. The plant clumps readily and stays small. It is the smallest blue skin cactus I am aware of, which makes it great for people with limited space. Most others are large columnar plants. Easy to grow, just give normal succulent care of good light and careful watering. Protect from frost. You will receive a plant shown in the last image. Plants shown in a 3. 5" pot. Important